sysdeps/mips/mips32/sfp-machine.h

   1 #define _FP_W_TYPE_SIZE         32
   2 #define _FP_W_TYPE              unsigned long
   3 #define _FP_WS_TYPE             signed long
   4 #define _FP_I_TYPE              long
   5
   6 #define _FP_MUL_MEAT_S(R,X,Y)                           \
   7   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
   8 #define _FP_MUL_MEAT_D(R,X,Y)                           \
   9   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  10 #define _FP_MUL_MEAT_Q(R,X,Y)                           \
  11   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  12
  13 #define _FP_MUL_MEAT_DW_S(R,X,Y)                                \
  14   _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
  15 #define _FP_MUL_MEAT_DW_D(R,X,Y)                                \
  16   _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  17 #define _FP_MUL_MEAT_DW_Q(R,X,Y)                                \
  18   _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  19
  20 #define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
  21 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
  22 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
  23
  24 #ifdef __mips_nan2008
  25 # define _FP_NANFRAC_S          ((_FP_QNANBIT_S << 1) - 1)
  26 # define _FP_NANFRAC_D          ((_FP_QNANBIT_D << 1) - 1), -1
  27 # define _FP_NANFRAC_Q          ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
  28 #else
  29 # define _FP_NANFRAC_S          (_FP_QNANBIT_S - 1)
  30 # define _FP_NANFRAC_D          (_FP_QNANBIT_D - 1), -1
  31 # define _FP_NANFRAC_Q          (_FP_QNANBIT_Q - 1), -1, -1, -1
  32 #endif
  33 #define _FP_NANSIGN_S           0
  34 #define _FP_NANSIGN_D           0
  35 #define _FP_NANSIGN_Q           0
  36
  37 #define _FP_KEEPNANFRACP 1
  38 #ifdef __mips_nan2008
  39 # define _FP_QNANNEGATEDP 0
  40 #else
  41 # define _FP_QNANNEGATEDP 1
  42 #endif
  43
  44 #ifdef __mips_nan2008
  45 /* NaN payloads should be preserved for NAN2008.  */
  46 # define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)     \
  47   do                                            \
  48     {                                           \
  49       R##_s = X##_s;                            \
  50       _FP_FRAC_COPY_##wc (R, X);                \
  51       R##_c = FP_CLS_NAN;                       \
  52     }                                           \
  53   while (0)
  54 #else
  55 /* From my experiments it seems X is chosen unless one of the
  56    NaNs is sNaN,  in which case the result is NANSIGN/NANFRAC.  */
  57 # define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                     \
  58   do {                                                          \
  59     if ((_FP_FRAC_HIGH_RAW_##fs(X)                              \
  60          | _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs)       \
  61       {                                                         \
  62         R##_s = _FP_NANSIGN_##fs;                               \
  63         _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs);                  \
  64       }                                                         \
  65     else                                                        \
  66       {                                                         \
  67         R##_s = X##_s;                                          \
  68         _FP_FRAC_COPY_##wc(R,X);                                \
  69       }                                                         \
  70     R##_c = FP_CLS_NAN;                                         \
  71   } while (0)
  72 #endif
  73
  74 #define FP_EX_INVALID           (1 << 4)
  75 #define FP_EX_DIVZERO           (1 << 3)
  76 #define FP_EX_OVERFLOW          (1 << 2)
  77 #define FP_EX_UNDERFLOW         (1 << 1)
  78 #define FP_EX_INEXACT           (1 << 0)
  79
  80 #define _FP_TININESS_AFTER_ROUNDING 1